Jump to main content.
Radon
Contact Us Search: All EPA This Area
Go back to the National Map
Top of page
EPA Recommends: Test your home for radon -- it's easy and inexpensive; Fix your home if your radon level is 4 picocuries per liter (pCi/L) or higher. Radon levels less than 4 pCi/L still pose a risk, and in many cases may be reduced.
About the Indoor Environments Division | State and Regional Radon Contacts | Ask the Radon Expert | Site Index
![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}